[PATCH 26/30] Use Ring instead of accessing Drawable internals

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Remove some coupling, we mainly need to store a list of RedGlzDrawables.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/dcc-encoders.c    | 8 ++++----
 server/dcc-encoders.h    | 4 ++--
 server/display-channel.c | 4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/server/dcc-encoders.c b/server/dcc-encoders.c
index 97e1427..01138a2 100644
--- a/server/dcc-encoders.c
+++ b/server/dcc-encoders.c
@@ -609,20 +609,20 @@ void dcc_free_glz_drawables(EncodersData *enc)
     pthread_rwlock_unlock(&glz_dict->encode_lock);
 }
 
-void dcc_glz_free_from_drawable(struct Drawable *drawable)
+void dcc_glz_free_from_drawable_ring(Ring *drawable_ring)
 {
     RingItem *glz_item, *next_item;
     RedGlzDrawable *glz;
-    DRAWABLE_FOREACH_GLZ_SAFE(drawable, glz_item, next_item, glz) {
+    SAFE_FOREACH(glz_item, next_item, TRUE, drawable_ring, glz, LINK_TO_GLZ(glz_item)) {
         dcc_free_glz_drawable(glz->encoders, glz);
     }
 }
 
-void dcc_glz_detach_from_drawable(struct Drawable *drawable)
+void dcc_glz_detach_from_drawable_ring(Ring *drawable_ring)
 {
     RingItem *item, *next;
 
-    RING_FOREACH_SAFE(item, next, &drawable->glz_ring) {
+    RING_FOREACH_SAFE(item, next, drawable_ring) {
         SPICE_CONTAINEROF(item, RedGlzDrawable, drawable_link)->has_drawable = FALSE;
         ring_remove(item);
     }
diff --git a/server/dcc-encoders.h b/server/dcc-encoders.h
index 08f9826..09a86a0 100644
--- a/server/dcc-encoders.h
+++ b/server/dcc-encoders.h
@@ -41,8 +41,8 @@ int dcc_free_some_independent_glz_drawables(EncodersData *enc, int release_count
 void dcc_free_glz_drawables(EncodersData *enc);
 void dcc_free_glz_drawables_to_free(EncodersData* enc);
 gboolean dcc_glz_encoder_create(EncodersData *enc, uint8_t id);
-void dcc_glz_free_from_drawable(struct Drawable *drawable);
-void dcc_glz_detach_from_drawable(struct Drawable *drawable);
+void dcc_glz_free_from_drawable_ring(Ring *drawable_ring);
+void dcc_glz_detach_from_drawable_ring(Ring *drawable_ring);
 void dcc_glz_get_restore_data(EncodersData *enc,
                               uint8_t *out_id, GlzEncDictRestoreData *out_data);
 
diff --git a/server/display-channel.c b/server/display-channel.c
index 60337b1..bcc2480 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -1230,7 +1230,7 @@ static bool free_one_drawable(DisplayChannel *display, int force_glz_free)
 
     drawable = SPICE_CONTAINEROF(ring_item, Drawable, list_link);
     if (force_glz_free) {
-        dcc_glz_free_from_drawable(drawable);
+        dcc_glz_free_from_drawable_ring(&drawable->glz_ring);
     }
     drawable_draw(display, drawable);
     container = drawable->tree_item.base.container;
@@ -1398,7 +1398,7 @@ void drawable_unref(Drawable *drawable)
     drawable_unref_surface_deps(display, drawable);
     display_channel_surface_unref(display, drawable->surface_id);
 
-    dcc_glz_detach_from_drawable(drawable);
+    dcc_glz_detach_from_drawable_ring(&drawable->glz_ring);
 
     if (drawable->red_drawable) {
         red_drawable_unref(drawable->red_drawable);
-- 
2.7.4

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